package com.hmdp.interceptor;

import com.hmdp.dto.UserDTO;
import com.hmdp.utils.UserHolder;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Slf4j
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        if (UserHolder.getUser() == null){
         //   log.info("用户没有登陆，需要拦截！");
            // 没有，需要拦截，设置状态码
            response.setStatus(401);
            // 拦截
            return false;
        }
        //有用户放行
       // log.info("用户登陆了，放行！");
        return true;
    }

}
